Share this entry
silastic Syllabification: si·las·tic
Pronunciation: /siˈlastik/

Definition of silastic in English:


Silicone rubber.
Example sentences
  • The implants are made of vulcanized silicone or silastic, a clear, hard, rubber-like material, and secured to the skeleton by insertion into a pocket or with small titanium screws that anchor to the underlying bone.
  • A silastic Foley catheter that is appropriate for the patient's urethra is inserted on completion of the bladder and abdominal wound closure.
  • Both polypropylene mesh bands and silastic rings have been used to prevent stretching of the newly created stomach outlet.


1940s: blend of silicon and elastic.

Definition of silastic in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources